November 14, 2018 - Group Meeting
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Fall 2018 Run, January 2019 SAD and Beyond...
2018 Fall Run Period
- Program through Christmas
- *Tue 11/20 - Hall A turns off for rest of the year
- *Mon 11/26 - Linac and Pass changes (ABCD = Off/4/2/5.5) => Wien change for B
- *Mon 12/10 - Linac and Pass changes (ABCD = Off/4/3/5.5) => Wien change for B
- *Thu 12/20 - Machine off at 8am for Holiday break
- Gun2 QE Gun2 lifetime and recent QE scan and Spot Move 11/15/18
- High Polarization in Hall B
- SF6 Relief Valve
- Easy Button Not So Easy
- Vertical Wien Filter Current Instability
- PQB Studies
- LERF Status
- LERF Driver Laser Enclosure Certified
- LERF PSS Certification - Support for Gun and Laser enable
2019
- JAN 2 - JAN 22 (3 week SAD/PSS period) SAD
- MUST
- Heat/Activate Gun2 Photocathode SLSP
- John ordered small tank to top off SF6
- Install RTP Pockels cell
- Fiducialize IHA2D00 for Bubble
- SHOULD
- Accelerator electricians to install two new racks + cable tray in ISB for 200KV Wien HVPS and address iocin6 load
- Implement 1kV anode safe floating bias supply inline with anode-picoammeter
- LIKE
- Restore/HCO helicity magnets?
- Install DBR?
- MUST
- JAN 30 - APR 7 (10 week run period)
- Similar to this run with A=30, B=polarized, C=50-70uA, D
- Hall A run short until MAR 7, then a 3 day PQB tests a 1-pass 70uA
- APR 8 - JUN 2 (8 week SAD period)
- PQB Studies?
- Early opportunity Gun2 electrode 200KV
- JUN 10 - AUG 11 (9 week run period)
- Hall A PREX polarized 70uA 1 pass @ 499 MHz
- Hall B unpolarized 100nA 5 pass @ 499 MHz
- Hall C unpolarized 50-90 uA 3-5 pass @ 499 MHz for 3 weeks
- AUG 12 - OCT 25 (11 week SAD period)
- Gun2 electrode 200KV
- Power Wiens from new PS and HVPS?
- NOV 1 - DEC 19 (7 week run period)
- Hall A CREX polarized 150uA 1 pass @ 499 MHz
- Hall B polarized 5 pass @ 250 MHz
- Hall C polarized 30uA 5 pass @ 250 MHz
- Hall D 5 pass @ 250 MHz